diff --git a/wise-webapp/src/main/java/com/wisemapping/validator/LabelValidator.java b/wise-webapp/src/main/java/com/wisemapping/validator/LabelValidator.java
index be5a8b4d..f7f0083f 100644
--- a/wise-webapp/src/main/java/com/wisemapping/validator/LabelValidator.java
+++ b/wise-webapp/src/main/java/com/wisemapping/validator/LabelValidator.java
@@ -36,6 +36,7 @@ public class LabelValidator implements Validator {
 
     private void validateLabel(@NotNull final Label label, @NotNull final Errors errors) {
         ValidationUtils.rejectIfEmptyOrWhitespace(errors, "title", Messages.FIELD_REQUIRED);
+        ValidationUtils.rejectIfEmptyOrWhitespace(errors, "color", Messages.FIELD_REQUIRED);
         final String title = label.getTitle();
         ValidatorUtils.rejectIfExceeded(
                 errors,